He is doing squats to train his quadriceps femoris muscle.

The tobi-kashira-mukade is a very rare creature.

He is a successful businessman, but just like the proverb 'the more the rice stalks grow, the more they bow', the more his success grows, the more humble he becomes.

He is doing squats to train his biceps femoris muscle.

He is training his triceps brachii muscle every day.

He goes to the gym every day to train his triceps surae muscle.

The splenius capitis muscle is a part of the neck muscles, helping to tilt the head backwards.

The semispinalis capitis muscle is a part of the neck muscles, helping to tilt the head backwards.

The obliquus capitis inferior muscle is a part of the neck muscles, helping to tilt the head.

The obliquus capitis superior muscle is part of the neck muscles, helping to tilt the head.